A card is selected. It is signed by both the magician and spectator. The card is put into the card box. The spectator chooses to random cards. One by one the cards are pushed through the card box. The box can be shown from all angles. Now for the kicker, one by one the doors are opened on the card box showing the SIGNED card inside. The box is then closed up and one by one the cards are taking out. The box is opened up and the signed card is taken out and shown to be unharmed and can be kept by the spectator.